A plant, tree, house, etc., (mag-) tilts to one side.
Ilo. rúyag 'branches spread out and overhang, droop downward'
Nagroyag iyaw nyoy.
The coconut palm tree tilted to one side.
Nagroyagayaw bahay, ta mayit salawsaw.
The house tilted to one side, because the wind was strong.
Someone lets something (pa--en) tilt.
Paroyagen mwabaw dyidyaw, ta mado.
Don't let the bottle tilt, because it will spill.